Jean Xu created HIVE-4039:
-----------------------------
Summary: Hive compiler sometimes fails in semantic analysis /
optimisation stage when boolean variable appears in WHERE clause.
Key: HIVE-4039
URL: https://issues.apache.org/jira/browse/HIVE-4039
Project: Hive
Issue Type: Bug
Components: Query Processor
Reporter: Jean Xu
Priority: Minor
Hive compiler fails with a NullPointerException in semantic analysis /
optimisation stage when a boolean variable appears in the WHERE clause in some
cases. A minimal query to generate this error is here:
SELECT 1
FROM (
SELECT TRUE AS flag
FROM dim_one_row:measurementsystems
) a
WHERE flag;
On the other hand, the following query is perfectly fine:
SELECT 1
FROM (
SELECT TRUE AS flag
FROM dim_one_row:measurementsystems
) a
WHERE flag=TRUE;
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